电气石的英文：
taltalite
verdelite

This property, which is known as dichroism, is particularly strong in tourmaline
此种特性称为二向色性，尤其是在电气石中表现得特别强烈。

A mineral enclosed within another mineral,such as rutile or tourmaline in quartz.
内容体内在另一矿物体中的矿物质，例如石英中的金红石或电气石